The earth is literally older than dirt, but how can we prove it? The video explains the methods used to find the age of the moon and the earth. It offers a quick overview of the rock cycle, geologic processes, and the impact of meteors. 

Concepts

the moon, radioactive decay, the earth

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Additional Tags

science

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Instructional Ideas

• Go more in depth about radioactive decay dating techniques
• Search for meteor sites on Earth as well as on the moon to compare the similarities and differences

Classroom Considerations

• Assumes some prior knowledge of molecular structures

• This video is hosted on YouTube

Pros

• Includes subtitles in six languages for the benefit of ELLs
• Requires very little class time

Cons

• None

Common Core

RST.6-8.4 RST.9-10.4 RST.11-12.4